SDR ASAA2023040142667

Service difficulty report · Unknown · Boeing 7379

Difficulty date: April 1, 2023
Submitted: April 3, 2023
Operation: Air carrier
Aircraft: N979AK
Make and model: Boeing 7379
Aircraft serial: 43393
Aircraft time: 2,673 hours, 816 cycles
System (JASC): 3010 · Airfoil Anti/De-ice System
Part: Unknown
Part number: UNKNOWN
Condition: Unknown
Location: Unknown
Stage of operation: NR
How discovered: V
Nature of condition: J
Precautionary procedure: K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

LEFT WING ANTI-ICE INOP. CYCLED WING ANTI-ICE MULTIPLE TIMES AT VARIED THRUST SETTINGS BELOW TEN THOUSAND. GROUNDED - YES. PERFORMED L/WING THERMAL ANTI-ICE VALVE HEALTH CHECK REF B737-9 AMM 30-11-11-200-801, VALVE OPERATED NORMALLY, NO FAULTS NOTED.

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